Haemophilia, a $X$-linked recessive disease is caused due to deficiency of
Blood plasma and vitamin-$K$
Blood platelets and haemoglobin
Lack of clotting material and vitamin-$K$
All of the above
A normal visioned woman, whose father is colour blind, marries a normal visioned man. What would be probability of her sons and daughters to be colour blind ? Explain with the help of a pedigree chart.
The character of organisms is said to be sex linked when its gene is carried on
If mother is a carrier for colour blindness and father is normal, then in the offsprings this disease may be seen in
Given is : $X$ is the chromosome with gene for haemophilia and $X$ is the chromosome with normal gene. Which of the following individuals will act as carrier for haemophilia
Pedigree analysis is very important in human beings because